Grocery-delivery services are booming, and for good reason: it’s lucrative. Just five years ago, the grocery delivery market was a fledgling industry, and today, nearly one-quarter of American households rely on some form of grocery delivery...

Over the past few years, many professionals in the retail food industry have been focused on e-commerce as the biggest threat to traditional supermarkets and grocers. While the concept of the online grocer has been around for at least the past 10...